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Finding the Fourth Proportional to 77,449.68, 116,172.09 and 22,045.68

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Solution

The fourth proportional to 77,449.68, 116,172.09 and 22,045.68 is: 33,067.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,449.68 : 116,172.09 = 22,045.68 : x
  2. Step 2: Convert to fraction form
    77,449.68/116,172.09 = 22,045.68/x
  3. Step 3: Cross multiply
    77,449.68x = 116,172.09 × 22,045.68
  4. Step 4: Simplify right side
    77,449.68x = 2,561,092,721.07
  5. Step 5: Solve for x
    x = 2,561,092,721.07/77,449.68
  6. Step 6: Final answer
    x = 33,067.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.